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You Selected (215): Oval Shape 20x15 mm Gems Clear All
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ID: 4454151 pcs
thumb image of 20.8ct Oval Facet Violet-Blue Color-Change Fluorite (ID: 445415)
20.76 ct Color-Change Fluorite
20.1 x 15.2 mm
$ 520.66
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ID: 4454141 pcs
thumb image of 18.8ct Oval Checkerboard Violet-Blue Color-Change Fluorite (ID: 445414)
18.83 ct Color-Change Fluorite
19.8 x 15 mm
$ 472.26
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ID: 3703772 pcs
thumb image of 22.2ct Oval Cabochon Multicolor Jasper (ID: 370377)
22.24 ct Jasper
20 x 15.1 mm
$ 33.36
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ID: 4455921 pcs
thumb image of 21.6ct Oval Facet Violet-Blue Color-Change Fluorite (ID: 445592)
21.64 ct Color-Change Fluorite
20.1 x 15.1 mm
$ 542.73
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ID: 4138091 pcs
thumb image of 21.3ct Oval Facet Violet-Blue Color-Change Fluorite (ID: 413809)
21.26 ct Color-Change Fluorite
20.1 x 15.1 mm
$ 425.20
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ID: 4454161 pcs
thumb image of 20.9ct Oval Facet Violet-Blue Color-Change Fluorite (ID: 445416)
20.94 ct Color-Change Fluorite
20.2 x 15.2 mm
$ 525.18
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ID: 4060561 pcs
thumb image of 19.4ct Oval Cabochon Lemon Quartz (ID: 406056)
19.38 ct Quartz
20.2 x 15.1 mm
$ 23.26
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ID: 4479552 pcs
thumb image of 22.9ct Oval Cabochon Multicolor Pietersite (ID: 447955)
22.89 ct Pietersite
20.1 x 15.1 mm
$ 68.67
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ID: 4138131 pcs
thumb image of 21.4ct Oval Facet Violet-Blue Color-Change Fluorite (ID: 413813)
21.40 ct Color-Change Fluorite
20.2 x 15.2 mm
$ 428.00
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ID: 4059351 pcs
thumb image of 23.9ct Oval Cabochon Multicolor Tiger's Eye Matrix (ID: 405935)
23.92 ct Tiger's Eye Matrix
20 x 14.9 mm
$ 25.59
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ID: 4059311 pcs
thumb image of 23ct Oval Cabochon Multicolor Tiger's Eye Matrix (ID: 405931)
23.02 ct Tiger's Eye Matrix
20.1 x 15.2 mm
$ 24.63
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ID: 4057991 pcs
thumb image of 22.7ct Oval Cabochon Multicolor Tiger's Eye Matrix (ID: 405799)
22.71 ct Tiger's Eye Matrix
19.9 x 15.1 mm
$ 24.30
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ID: 4059331 pcs
thumb image of 22.3ct Oval Cabochon Multicolor Tiger's Eye Matrix (ID: 405933)
22.34 ct Tiger's Eye Matrix
20.2 x 15.1 mm
$ 23.90
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ID: 4059321 pcs
thumb image of 22.2ct Oval Cabochon Multicolor Tiger's Eye Matrix (ID: 405932)
22.16 ct Tiger's Eye Matrix
20 x 15 mm
$ 23.71
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ID: 4058041 pcs
thumb image of 21.5ct Oval Cabochon Multicolor Tiger's Eye Matrix (ID: 405804)
21.54 ct Tiger's Eye Matrix
20.1 x 15.1 mm
$ 23.05
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ID: 4454181 pcs
thumb image of 20.6ct Oval Facet Violet-Blue Color-Change Fluorite (ID: 445418)
20.55 ct Color-Change Fluorite
20.1 x 15.1 mm
$ 515.39
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ID: 4058061 pcs
thumb image of 19.7ct Oval Cabochon Multicolor Tiger's Eye Matrix (ID: 405806)
19.65 ct Tiger's Eye Matrix
19.7 x 14.9 mm
$ 21.03
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ID: 4058021 pcs
thumb image of 18.7ct Oval Cabochon Multicolor Tiger's Eye Matrix (ID: 405802)
18.68 ct Tiger's Eye Matrix
20.2 x 15.2 mm
$ 19.99
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ID: 4013591 pcs
thumb image of 20.6ct Oval Cabochon Mocha Moonstone (ID: 401359)
20.60 ct Moonstone
19.9 x 14.9 mm
$ 30.90
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ID: 4060321 pcs
thumb image of 15.4ct Oval Cabochon Multicolor Tiger's Eye Matrix (ID: 406032)
15.44 ct Tiger's Eye Matrix
19.9 x 15.2 mm
$ 18.68
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ID: 4060281 pcs
thumb image of 15ct Oval Cabochon Multicolor Tiger's Eye Matrix (ID: 406028)
14.99 ct Tiger's Eye Matrix
19.8 x 15.1 mm
$ 18.14
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Oval Shape 20x15 mm Gems
Some people by gems by color or pricze, but for many, it is best to buy gems by shape and size - especially if you're in need of a gem to replace a previous item that was lost or damaged. Calibrated oval shapes, facet cut and cabochon gems available now in 20 x 15 mm size range. Shop a wide range of calibrated gemstones by size online at wholesale from GemSelect.

As a general guideline, when it comes to 'calibrated' gems, they are not usually expected to be cut to exact measurements. For calibrated gemstones weighing under one carat, most jewelry settings will accommodate a gem which is within 0.2 mm of the calibrated size in order to fit a standard setting. For gemstones that weigh over one carat, a larger variance is acceptable, often round shape settings will allow 0.3 mm or slightly higher even. This small variance can usually be accommodated for most standard style settings. Round-cut gemstones should also have a greater variance in acceptable size when it comes to calibration; in fact it is usually possible to mount a round stone of any size in the closest standard setting.

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Size and Weight

Gems are always measured in Millimeter (mm)

Dimensions are given as;
length x width x depth,
except for round stones which are;
diameter x depth

Select gems by size, not by weight!
Gem varieties vary in density, so carat weight is not a good indication of size

Note: 1ct = 0.2g

Size Comparison Chart